Github user srowen commented on a diff in the pull request: https://github.com/apache/spark/pull/19419#discussion_r144483296 --- Diff: docs/configuration.md --- @@ -2013,7 +2013,62 @@ Apart from these, the following properties are also available, and may be useful </tr> </table> +### HTTP Security Headers +Apache Spark can be configured to include HTTP Headers which aids in preventing Cross +Site Scripting (XSS), Cross-Frame Scripting (XFS), MIME-Sniffing and also enforces HTTP +Strict Transport Security. + +<table class="table"> + <tr><th>Property Name</th><th>Default</th><th>Meaning</th></tr> + <tr> + <td><code>spark.ui.xXssProtection</code></td> + <td>None</td> + <td> + Value for HTTP X-XSS-Protection response header. You can choose appropriate value + from below: + <ul> + <li> 0 (Disables XSS filtering) --- End diff -- Markdown won't work here? I think it won't. Close the `<li>` tags though. It's not clear below what the values the users sets though. The values are `0`, `1`, or `1; mode=block` and that should be clear.
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